Patents by Inventor Tobias Arroyo BÖTTCHER

Tobias Arroyo BÖTTCHER has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Cylinder head with connected exhaust manifold of an internal combustion engine
    Patent number: 11105295
    Abstract: A cylinder head with connected exhaust manifold of an internal combustion engine the cylinder head has an exhaust duct ending at a cylinder head connecting face to which the exhaust manifold is connected. A flange bushing insert having a bushing part and an end-side flange, is inserted into an exhaust gas duct of the cylinder head. The bushing part has a radially protruding, circumferential bead as a spacer and sealing element that bears against the exhaust duct inner wall. The flange projects at the end of the flange bushing insert and is clamped between the cylinder head connecting face and the exhaust manifold connecting face such that a circumferential insulating gap.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: August 31, 2021
    Assignee: MAN Truck & Bus AG
    Inventors: Johannes Hollweck, Ulrich Boehme, Tobias Arroyo Böttcher
  • Cylinder Head with Connected Exhaust Manifold of an Internal Combustion Engine
    Publication number: 20180112623
    Abstract: A cylinder head with connected exhaust manifold of an internal combustion engine the cylinder head has an exhaust duct ending at a cylinder head connecting face to which the exhaust manifold is connected. A flange bushing insert having a bushing part and an end-side flange, is inserted into an exhaust gas duct of the cylinder head. The bushing part has a radially protruding, circumferential bead as a spacer and sealing element that bears against the exhaust duct inner wall. The flange projects at the end of the flange bushing insert and is clamped between the cylinder head connecting face and the exhaust manifold connecting face such that a circumferential insulating gap.
    Type: Application
    Filed: October 18, 2017
    Publication date: April 26, 2018
    Inventors: Johannes HOLLWECK, Ulrich BOEHME, Tobias Arroyo BÖTTCHER